Headset



FIG. 1 is a top perspective view of a headset showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a left view thereof.

The broken lines adjacent the shaded areas represent the bounds of the claimed design while all other broken lines depict portions of the headset that form no part of the claimed design. 

CLAIM The ornamental design for headset, as shown and described. 